http://www.androidauthority.com/nexus-7-on-android-4-2-2-10-hours-battery-life-instead-8-155871/
"Google has updated the them to reflect better battery life for the device, with the Nexus 7 now capable to offer “up to 10 hours of active user” instead of the previous eight hours."
There is hope.
And here's the unofficial changelog so far:
-More secured ADB
-Bluetooth audio streaming bugs fix
-Download notification now shows remaining time
-You can toggle WiFi and Bluetooth on/off by long-pressing them in Quick Settings
-Performance enhancements
-New notification sounds (wireless charging and low battery)
"Google has updated the them to reflect better battery life for the device, with the Nexus 7 now capable to offer “up to 10 hours of active user” instead of the previous eight hours."
There is hope.
And here's the unofficial changelog so far:
-More secured ADB
-Bluetooth audio streaming bugs fix
-Download notification now shows remaining time
-You can toggle WiFi and Bluetooth on/off by long-pressing them in Quick Settings
-Performance enhancements
-New notification sounds (wireless charging and low battery)